1 minute review
The Kryptonite KryptoLok 685 Folding Lock is another from Kryptonite, a respected cycle accessory brand and manufacturer of the best bike locks. A major bonus of the 685 is its collapsible design, which folds down into a sturdy block when not in use, and can be stored in your bike’s frame thanks to a convenient mounting bracket-cum-holder.
Extending the Kryptonite KryptoLok 685 folding lock increases your reach and allows you to maneuver through wheels of all shapes and sizes, maneuver around lampposts and more. The locking barrel is very well designed and overall this is a very sturdy bike lock.
Kryptonite’s 6/10 “moderate” safety rating claims it will withstand most bolt cutters and is ideal for suburban areas, but it eventually took a serious hit with tools like an angle grinder. theft attempts.
Kryptonite KryptoLok 685 Folding Lock: Pricing and Availability
The Kryptonite KryptoLok 685 Folding Lock is available now from all major cycle accessory specialists and online outlets including Amazon.
One of the added benefits of buying a kryptonite cycle lock is its key safe program. This means you can register it with a company and they will help you replace the key if you lose the original.

Kryptonite KryptoLok 685 Folding Lock: Design
- 85cm rock reach
- sturdy barrel lock
- fully collapsible
The Kryptonite KryptoLok 685 folding lock is just that. A bicycle lock designed like a concertina. Once inside the package, the lock is condensed into a chunky block of alloy and steel weighing 1.31 kg. However, once you take it out of the package, you can easily open the Kryptonite KryptoLok 685 Folding Lock to unlock its full potential. Design is one of the main bonus factors. Especially if you regularly need a little more flexibility in your cycle lock.
Some bikes, especially D-Rock style bikes, often lack a bit of coverage and are good for mounting wheels and frames, but little else. The Kryptonite KryptoLok 685 folding lock, on the other hand, extends up to 85 cm thanks to its Concertina he design, which allows you to reach even farther. This is very practical if you want to tether your bike to a railing, lamppost, or indeed other bikes.
Kryptonite has done a great job with the locking barrel portion of the design equation here as well. His 5cm thick folding section of the lock is also top quality, but the hardened steel surfaces of the components are less forgiving to the bike frame than other locks. A factor worth keeping in mind if you appreciate the paint on your bike or are worried about your new cycle.
Kryptonite KryptoLok 685 Folding Lock: Features
- Folds up for storage
- Mounting bracket included
- two key barrel lock
One of the great things about kryptonite locks is that the bright yellow and black packaging always indicates the product’s security rating. For the Kryptonite KryptoLok 685 folding lock, the rating is 6/10, where “1” is a mild deterrent and “10” is as safe as home and safe in densely populated urban areas.
6/10 is classified as “moderate”. That said, it’s good enough for everyday use in rural, suburban, and most urban environments, but not as useful if you’re planning on locking overnight in an area known to be effective. is not. , an armed bicycle thief.
The foldable design is actually one of the key features of this lock. Offers more flexibility in terms of reach up to 85 cm. That aspect can also make it very awkward for bike thieves to get a hold of because the section moves around so easily. And it seems.
Another important feature of the Kryptonite KryptoLok 685 folding lock is that it comes with a plastic mounting block. This block can be fixed to your bike frame and acts like a holster for your lock when you’re on the go. It’s well made, fits your bike frame without damaging your paintwork, and leaves less scratches than simply using a bike lock.
Several keys are provided as standard to restore the lock barrel, and Kryptonite has a keysafe program so lost keys can be replaced after the registration process.
Kryptonite KryptoLok 685 Folding Lock: Performance

- Positive lock performance
- Extra reach is a real boon
- No play in multiple components
The Kryptonite KryptoLok 685 folding lock is easy to use on a daily basis, but when you try all the connecting sections it feels like a handful at first. and thankfully there is no play between links.
Locks like this tend to loosen up a bit over time, so it will be interesting to see how they perform over time and with increased use. Indeed, these concertina style locks Some of the can get completely floppy after extended use, but so far so good.
Once you’ve found the best way to meander a section through a frame or wheel, e.g. a lamp post, its chunky barrel makes it easy to join and lock the lock. The keys are big enough to keep in your coat pocket or bag.
Kryptonite KryptoLok 685 Folding Lock: Buy if…
Kryptonite KryptoLok 685 Folding Lock: Do not purchase if:
First reviewed December 2022